Hazardous Earth (Topic 5)

Question 1

What does ‘Risk’ mean?

Answer 1

• Exposure of people to a hazardous event

Question 2

What does ‘Natural hazard’ mean?

Answer 2

• A naturally occurring process or event with the potential to cause loss of life or property

Question 3

What does ‘Vulnerability’ mean?

Answer 3

• When lives and/or property may be threatened by a natural hazard

Question 4

What does ‘Hazard Management’ mean?

Answer 4

• The response of communities to a hazard - it may include mitigation, preparation, prediction and monitoring

Question 5

What does ‘Mitigation (protection)’ mean?

Answer 5

• Protecting people and structures from the
  impact of hazards through building design
  and construction of engineered defences
  such as sea walls

Question 6

What does ‘preparation’ mean?

Answer 6

• Pre-arranged measures whose purpose it is to reduce the loss of life and property damage

Question 7

What does ‘prediction’ mean?

Answer 7

• A relatively precise statement or forecast of the time, place and, ideally, the size and nature of an event

Question 8

What does ‘magnitude and frequency’ mean?

Answer 8

• Magnitude is the size of a natural hazard
  event or process.
• Frequency is the number of events of a given
  magnitude that occur over a period of time.